package org.example.realtime.jtp.dws.log.function;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import org.apache.flink.api.common.functions.RichMapFunction;
import org.apache.flink.api.common.state.ValueState;
import org.apache.flink.api.common.state.ValueStateDescriptor;
import org.apache.flink.configuration.Configuration;
import org.example.realtime.jtp.common.utils.DateTimeUtil;
import org.example.realtime.jtp.dws.log.entity.PageViewBean;

import java.util.HashMap;

public class PageViewBeanMapFunction extends RichMapFunction<String, PageViewBean> {
    /**
     * 预先加载地区字段表数据，放到Map集合中
     */
    private ValueState<String> lastVisitDateState=null;
    private HashMap<String, String> AreaDic = AreaDic();
    private HashMap<String, String> AreaDic() {
// map集合
        HashMap<String, String> map = new HashMap<>();
// 添加数据
        map.put("110000","北京");
        map.put("120000","天津");
        map.put("140000","山西");
        map.put("150000","内蒙古");
        map.put("130000","河北");
        map.put("310000","上海");
        map.put("320000","江苏");
        map.put("330000","浙江");
        map.put("340000","安徽");
        map.put("350000","福建");
        map.put("360000","江西");
        map.put("370000","山东");
        map.put("710000","台湾");
        map.put("230000","黑龙江");
        map.put("220000","吉林");
        map.put("210000","辽宁");
        map.put("610000","陕西");
        map.put("620000","甘肃");
        map.put("630000","青海");
        map.put("640000","宁夏");
        map.put("650000","新疆");
        map.put("410000","河南");
        map.put("420000","湖北");
        map.put("430000","湖南");
        map.put("440000","广东");
        map.put("450000","广西");
        map.put("460000","海南");
        map.put("810000","香港");
        map.put("820000","澳门");
        map.put("510000","四川");
        map.put("520000","贵州");
        map.put("530000","云南");
        map.put("500000","重庆");
        map.put("540000","西藏");
// 返回集合
        return map ;
    }

    public void open(Configuration parameters) throws Exception {
        // todo 初始化状态
        lastVisitDateState = getRuntimeContext().getState(
                new ValueStateDescriptor<String>("lastVisitDataState", String.class)
        );
        // todo 初始化字典数据
        this.AreaDic = AreaDic();
    }
    @Override
    public PageViewBean map(String value) throws Exception {

        JSONObject jsonObject = JSON.parseObject(value);
        JSONObject object = jsonObject.getJSONObject("common");
        JSONObject pageobject = jsonObject.getJSONObject("page");

        //TODO:依据地区编码获取省份名称
        String ar = object.getString("ar");
        String province = AreaDic.get(ar);
        //UV访客数
        Long uvcount=0L;
        //获取上一次访问日期
        String lastVisitDate=lastVisitDateState.value();
        //获取当前数据日期
        String visitDate= DateTimeUtil.convertLongToString(jsonObject.getLong("ts"),DateTimeUtil.DATE_FORMAT);
        //1.差值为null时，表示今日第一次访问，uv字段为1
        //2.差值不为null时，上一次访问日期!=当前数据日期，也表示今日第一次访问，uv字段为1
        if(null== lastVisitDate || !lastVisitDate.equals(visitDate)){
            uvcount=1L;
            //更新状态
            lastVisitDateState.update(visitDate);
        }
        return new PageViewBean(
                null,
                null,
                object.getString("ba"),
                object.getString("ch"),
                province,
                object.getString("is_new"),
                //su 1或0 -》last_page_id is null 1 否则为0
                pageobject.get("last_page_id")==null?1L:0L,
                1L,
                pageobject.getLong("during_time"),
                uvcount,
                jsonObject.getLong("ts")
        );
    }
    @Override
    public void close() throws Exception {
        super.close();
    }
}